For a reaction with an activation energy of 139 kJ/mol, how much must the temperature be raised above 25C to double the rate constant k?

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C…

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Q: Temperature dependence of reaction rate The rate of a certain reaction multiplies by 3.609 when the…

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Q: The rate constant of a reaction increases by a factor of 1.41 when the temperature is increased from…

A: The Arrhenius equation can be rewrite for comparing the rate constant at two different temperatures.…

Q: Calculate the rate constant, k, for a reaction at 67.0 °C that has an activation energy of 77.5…

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Q: A researcher raises the temperature from 87.7 to 99.5 o C and finds that the rate of the reaction…

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Q: Suppose a reaction has an activation energy of 23.0 kJ/mol and rate constant of 0.37 h-1 at 15 oC.…

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Q: In a reaction, the rate constant is found to be quadruple when the temperature increases from 30C to…

A: According to Arrhenious equation,                                             rate constant of…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: A researcher raises the temperature from 109 to 126.3 o C and finds that the rate of the reaction…

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Q: A certain first-order reaction has a rate constant of -3.-1 1.0 X 10 s at 25 °C. (a) If the reaction…

A: The rate constant of reaction at different temperature is related to temperature and activation…

Q: For a given reaction, a plot of ln k vs 1/T gives a slope -1784.3 K.  Calculate the activation…

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Q: A certain reaction has an activation energy of 41.96 kJ/mol. At what Kelvin temperature will the…

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Q: The rate constant of a reaction doubles when the temperature increases from 305K to 315K. What is…

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Q: A certain reaction has an activation energy of 30.79 kJ/mol. At what Kelvin temperature will the…

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Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 x 10-ª…

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Q: The activation energy for this reaction is 274 kJ mol^-1. By what factor does the rate of reaction…

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Q: Calculate the rate constant, k, for a reaction at 63.0 °C that has an activation energy of 76.9…

A: The relation between rate constant, temperature and activation energy is  given by Arrehenius…

Q: The rate constant of a chemical reaction is found to triple when the temperature is raised from 24…

A: Two point Arrhenius equation is given by,                                 Where, Ea is the…

Q: A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 200°C to…

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Q: 6. A reaction has a rate constant of 0.0117 M/s at 400.0K and 0.689 M/s at 450.0K. What is the…

A: The activation energy is calculated by using following formula,

Q: A reaction has an activation energy of 15 kJ mol. The temperature of the reaction must be increased…

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Q: What is the activation energy for a reaction if the rate of the reaction doubles when the…

A: Temperature,T1 = 20°C or 293K Temperature,T2 = 35°C or 308K Value of Gas constant, R = 8.314J/mol K…

Q: A researcher raises the temperature from 37.8 to 49.8 o C and finds that the rate of the reaction…

A: The expression of Arrhenius equation is shown below: Where; k = rate constant A = Arrhenius…

Q: A second order reaction whose rate constant at 800 °C was found to be 5.0 x 10* L mol s' has an…

A: Given K1 = 5.0×10-3 L/mol.s T1 = 800°C T2 = 875°C Activation energy (Ea) = 45 kJ

Q: What is the activation energy in kJ/mol for a reaction that has a rate constant that is (2.73x10^0)…

A: Rate constant is temperature dependent

Q: When the temperature rises from 105°C (378.15K) to 168°C (441.15K) and the rate of a reaction…

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Q: A reaction has an activation energy of 3.79 kJ/mol. If the rate constant for the reaction is 6.4E-1…

A: Given activation energy, Ea = 3.79 kJ.mol-1 * (1000 J / 1kJ) = 3790 J.mol-1  Initial state:  Initial…

Q: A certain reaction has an activation energy of 60.65 kJ/mol. At what Kelvin temperature will the…

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Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

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Q: The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 x 10 s1…

A: The rate constant will be calculated by using integrated arrhenius equation. Rate constant of…

Q: The rate constant of a reaction at 32 °C is measured to be 0.055/s. If the frequency factor is 1.2 ×…

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Q: 3. A reaction has a rate constant of 0.0117 M/s at 400.0K and 0.689 M/s at 450.0K. What is the…

A: Given:  Initial temperature (T1) = 400 K  Final temperature (T2) = 450 K  Initial rate constant (K1)…

Q: A certain reaction has an activation energy of 39.23 kJ/mol. At what Kelvin temperature will the…

A: Since the reaction is dependent on the rate constant and rate constant depends on the temperature.…

Q: The activation energy of a reaction is 56.8 kJ/mol and the frequency factor is 1.5 × 1011/s.…

A: Given information:The activation energy for the reaction (Ea) = 56.8 kJ/molFrequency factor  =…

Q: The rate constant of a reaction at 32 °C is 0.055/s. If the frequency factor is 1.2 * 10 13/s, what…

A: The below formula is used to determine the value of the activation barrier.

Q: the reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol? how much…

A: Given, The reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol is :…

Q: The rate constant of a chemical reaction is found to double when the temperature is raised from 25…

A: Given, Initial temperature=250C=(25+273)K                                         =298K Final…

Q: The rates of most reactions double when their temperature is raised from 298 K to 308 K. Calculate…

A: Arrhenius equation gives the relation between rate constant and temperature. lnk2k1=-EaR1T2-1T1…

Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

A: The equation for determining the activation energy is as follows,                   Where, Ea is…

Q: The rate of a particular reaction increases by a factor of 5 when the temperature is increased from…

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Q: Calculate the rate constant, k, for a reaction at 57.0 °C that has an activation energy of 79.0…

A: Arrhenius equation is k = A. e(-Ea/RT), A= frequency factor Ea= Activation energy R=gas constant T=…

Q: The rate constant of a particular reaction increases by a factor of 2.0 when the temperature is…

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Q: 8. What is the fraction of collisions that have sufficient energy for reaction if the activation…

A: (a) Fraction of active molecules = 1eEaRT                                                     =…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: A particular reaction has an activation energy, Ea, of 189 kJ/mol.  If the rate constant for the…

A: The Arrhenius equation establishes the relationship between activation energy (Ea), rate constants…

Q: A reaction having an activation energy of 55.1 kJ/mol has a rate constant of 4.2 x 10-8 s-1 when the…

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Q: The activation energy of an uncatalyzed reaction is 95 kJ/mol. The addition of a catalyst lowers the…

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Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: From Arrhenius equation we can find the value of K. Arrhenius gave a relationship between…